Check https://api.json-content-importer.com/extra/json/freejson.php for some JSON example-data.
This can be displayed with the free JCI-Plugin in this way:
[[jsoncontentimporter url=https://api.json-content-importer.com/extra/json/freejson.php] myfield: {myfield}<br> myfield with invalid link: {myfield:html}<br> myfield with valid link: {myfield:purejsondata,ifNotEmptyAddLeftRight:left##right##}<br> jsontimestamp: {jsontimestamp}<br> formatted jsontimestamp ("172801" is the timezoneoffset in seconds aka 48 hours plus 1 seconds): {jsontimestamp:datetime,d-m-Y H.i.s,172801}<br> jsondate: {jsondate}<br> formatted jsondate ("259202" is the timezoneoffset in seconds aka 72 hours plus 2 seconds): {jsondate:datetime,m-d-Y, H-i-s,259200} [/jsoncontentimporter]]
See it in action:
myfield: Hey great <a href="https://wordpress.org">link</a>
myfield with invalid link: Hey great link
myfield with valid link: leftHey great linkright
jsontimestamp: 1743584379
formatted jsontimestamp (“172801” is the timezoneoffset in seconds aka 48 hours plus 1 seconds): 04-04-2025 08.59.40
jsondate: 02.04.2025, 10:59:39
formatted jsondate (“259202” is the timezoneoffset in seconds aka 72 hours plus 2 seconds): 04-05-2025, 10-59-39